Patent US2608228A successfully refreshed from Google Patents.
US2849050A
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Adjustable heat sealing envelope forming device
Assignee: Individual
•
Filing: 1956-04-18
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Granted: 1958-08-26
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Expires: 1976-04-18
Abstract
No abstract record available.
Inventors
- 👤 Leonard A Meyerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:10
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/74; B29C65/745; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/24; B29C66/244; B29C66/40; B29C66/41; B29C66/43; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/8222; B29C66/83; B29C66/832; B29C66/8324; B29C65/24; B29C65/30; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1378; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1737
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |